From d1e00e67d79c4cea80c518ace9a89f6cb89f8139 Mon Sep 17 00:00:00 2001
From: Sameer Rahmani <lxsameer@gnu.org>
Date: Thu, 18 Apr 2024 21:53:51 +0100
Subject: [PATCH] Add support for Python

---
 nix/modules/default.nix                       |  1 +
 nix/modules/python/default.nix                | 63 +++++++++++++++++++
 .../python/lisp/fg42/python-support.el        | 60 ++++++++++++++++++
 3 files changed, 124 insertions(+)
 create mode 100644 nix/modules/python/default.nix
 create mode 100644 nix/modules/python/lisp/fg42/python-support.el

diff --git a/nix/modules/default.nix b/nix/modules/default.nix
index b539d3e..d0a7a8d 100644
--- a/nix/modules/default.nix
+++ b/nix/modules/default.nix
@@ -32,6 +32,7 @@ let
     ./language-server
     ./nix
     ./c-family
+    ./python
   ];
 
   pkgsModule = { config, ... }: {
diff --git a/nix/modules/python/default.nix b/nix/modules/python/default.nix
new file mode 100644
index 0000000..8d1d006
--- /dev/null
+++ b/nix/modules/python/default.nix
@@ -0,0 +1,63 @@
+# Fg42 - Emacs Editor for advance users
+#
+# Copyright (c) 2010-2024 Sameer Rahmani <lxsameer@gnu.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, version 2.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# This is the home manager module that exposes FG42. It differs
+# from FG42 modules that are structurally the same but used in
+# different context
+
+# A list of default FG42 modules to build FG42 with.
+{ lib, config, pkgs, makeFG42Drv, ... }:
+with lib;
+let
+  cfg = config.fg42.python-support;
+
+  deps =
+    (with pkgs.emacsPackages; [
+      poetry
+      python-black
+    ]);
+
+  drv = makeFG42Drv {
+    pname = "python-support";
+    version = config.fg42.version;
+    buildInputs = deps;
+    src = ./.;
+  };
+
+  py = pkgs.python3.withPackages (p: [
+    p.ipython
+    p.black
+    p.pep8
+    p.flake8
+    p.mypy
+    p.isort
+  ]);
+  tools = (with pkgs;[
+    py
+    pyright
+  ]);
+in
+{
+  options.fg42.python-support.enable = mkAndEnableOption "python-support";
+
+  config = mkIf cfg.enable {
+    fg42.elispPackages = [ drv ] ++ deps;
+
+    fg42.paths = tools;
+
+    fg42.requires = [ drv.pname ];
+  };
+}
diff --git a/nix/modules/python/lisp/fg42/python-support.el b/nix/modules/python/lisp/fg42/python-support.el
new file mode 100644
index 0000000..7379f48
--- /dev/null
+++ b/nix/modules/python/lisp/fg42/python-support.el
@@ -0,0 +1,60 @@
+;;; FG42 --- The mighty editor for the emacsians -*- lexical-binding: t; -*-
+;;
+;; Copyright (c) 2010-2024 Sameer Rahmani & Contributors
+;;
+;; Author: Sameer Rahmani <lxsameer@gnu.org>
+;; URL: https://devheroes.codes/FG42/FG42
+;; Version: 4.0.0
+;;
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+;;
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+;;
+;;; Commentary:
+;;; Code:
+(eval-when-compile
+  (require 'fpkg))
+
+
+(use! python-black
+  "This cube reformats python code using black formatter tool."
+  :commands (python-black-on-save-mode
+             python-black-buffer
+             python-black-region
+             python-black-statement)
+  :hook (python-mode . python-black-on-save-mode))
+
+
+(use! poetry
+  "Poetry support for FG42. To use it, just use `M-x poetry'."
+  :config
+  (setq poetry-tracking-strategy 'switch-buffer)
+  :hook (python-mode . poetry-tracking-mode))
+
+
+(use! python-ts-mode
+  "Python setup. We're using treesitter version of python mode."
+  :init
+  ;; Remap the standard python mode
+  (add-to-list 'major-mode-remap-alist '(python-mode . python-ts-mode))
+
+  :config
+  (setq python-indent-guess-indent-offset-verbose nil)
+
+  :hook
+  (python-ts-mode . fg42/ensure-lang-server)
+  (python-ts-mode . fg42/autocomplete)
+  (python-ts-mode . flyspell-prog-mode))
+
+
+(provide 'fg42/python-support)
+;;; python-support.el ends here